Home / 936,035,999.40-1,404,053,999.10-663,938,207.40

Finding the Fourth Proportional to 936,035,999.40, 1,404,053,999.10 and 663,938,207.40

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Solution

The fourth proportional to 936,035,999.40, 1,404,053,999.10 and 663,938,207.40 is: 995,907,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,035,999.40 : 1,404,053,999.10 = 663,938,207.40 : x
  2. Step 2: Convert to fraction form
    936,035,999.40/1,404,053,999.10 = 663,938,207.40/x
  3. Step 3: Cross multiply
    936,035,999.40x = 1,404,053,999.10 × 663,938,207.40
  4. Step 4: Simplify right side
    936,035,999.40x = 932,205,095,255,255,168
  5. Step 5: Solve for x
    x = 932,205,095,255,255,168/936,035,999.40
  6. Step 6: Final answer
    x = 995,907,311.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.